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Increasing the value of dilute acetic acid streams through esterification: Part I. Experimental analysis of the reaction zone

Paper ID Volume ID Publish Year Pages File Format Full-Text
48666 46517 2006 6 PDF Available
Title
Increasing the value of dilute acetic acid streams through esterification: Part I. Experimental analysis of the reaction zone
Abstract

Dilute acetic acid (AA) streams (4.5–15%, w/w) were used in an extractive esterification with 2-ethyl-1-hexanol, exploiting the different solubilities of acetic acid and acetic ester in water. The main advantage of the process is the simultaneous water purification and production of an ester having a good commercial value. The new method proposed has the purposes to save the costs arising from the treatment of the waste water and utilize in chemical synthesis the acetic acid otherwise eliminated. The performed reaction is a three-phase system which Amberlyst 15 was used as acid catalyst in. It was clearly demonstrated that the reaction takes place in the organic phase and not in the aqueous one and a conversion of about 70% can be reached. A simplified mathematical model was also proposed.

Keywords
Acetic acid recovery; Water purification; Esterification reaction; Mathematical model; Extractive esterification
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 64, Issues 1–2, 18 April 2006, Pages 66–71
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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